Open Access
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Cell Reports, volume 10, issue 4, pages 471-483

Global Reorganization of the Nuclear Landscape in Senescent Cells

Chandra Tamir 1, 2
Ewels Philip 3
Schoenfelder Stefan 4
Furlan-Magaril Mayra 4
Wingett Steven W. 4
Kirschner Kristina 5
Thuret Jean-Yves 6
Fraser Peter 4
Reik W. 1, 2
1
 
Epigenetics Programme, The Babraham Institute, Cambridge CB22 3AT, UK
2
 
The Wellcome Trust Sanger Institute, Cambridge CB10 1SA, UK
3
 
Epigenetics Programme, The Babraham Institute, Cambridge, CB22 3AT, UK.
4
 
Nuclear Dynamics Programme, The Babraham Institute, Cambridge CB22 3AT, UK,
6
 
CEA, iBiTec-S, SBIGeM/CNRS FRE3377 I2BC/Université Paris-Sud, Gif-sur-Yvette 91191, France
7
 
Bioinformatics Group, The Babraham Institute, Cambridge, CB22 3AT, UK
Publication typeJournal Article
Publication date2015-02-01
Journal: Cell Reports
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor8.8
ISSN22111247
General Biochemistry, Genetics and Molecular Biology
Abstract
Summary Cellular senescence has been implicated in tumor suppression, development, and aging and is accompanied by large-scale chromatin rearrangements, forming senescence-associated heterochromatic foci (SAHF). However, how the chromatin is reorganized during SAHF formation is poorly understood. Furthermore, heterochromatin formation in senescence appears to contrast with loss of heterochromatin in Hutchinson-Gilford progeria. We mapped architectural changes in genome organization in cellular senescence using Hi-C. Unexpectedly, we find a dramatic sequence- and lamin-dependent loss of local interactions in heterochromatin. This change in local connectivity resolves the paradox of opposing chromatin changes in senescence and progeria. In addition, we observe a senescence-specific spatial clustering of heterochromatic regions, suggesting a unique second step required for SAHF formation. Comparison of embryonic stem cells (ESCs), somatic cells, and senescent cells shows a unidirectional loss in local chromatin connectivity, suggesting that senescence is an endpoint of the continuous nuclear remodelling process during differentiation.

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GOST Copy
Chandra T. et al. Global Reorganization of the Nuclear Landscape in Senescent Cells // Cell Reports. 2015. Vol. 10. No. 4. pp. 471-483.
GOST all authors (up to 50) Copy
Chandra T., Ewels P., Schoenfelder S., Furlan-Magaril M., Wingett S. W., Kirschner K., Thuret J., Andrews S., Fraser P., Reik W. Global Reorganization of the Nuclear Landscape in Senescent Cells // Cell Reports. 2015. Vol. 10. No. 4. pp. 471-483.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.celrep.2014.12.055
UR - https://doi.org/10.1016%2Fj.celrep.2014.12.055
TI - Global Reorganization of the Nuclear Landscape in Senescent Cells
T2 - Cell Reports
AU - Chandra, Tamir
AU - Ewels, Philip
AU - Schoenfelder, Stefan
AU - Furlan-Magaril, Mayra
AU - Wingett, Steven W.
AU - Kirschner, Kristina
AU - Thuret, Jean-Yves
AU - Andrews, Simon
AU - Fraser, Peter
AU - Reik, W.
PY - 2015
DA - 2015/02/01 00:00:00
PB - Elsevier
SP - 471-483
IS - 4
VL - 10
PMID - 25640177
SN - 2211-1247
ER -
BibTex |
Cite this
BibTex Copy
@article{2015_Chandra,
author = {Tamir Chandra and Philip Ewels and Stefan Schoenfelder and Mayra Furlan-Magaril and Steven W. Wingett and Kristina Kirschner and Jean-Yves Thuret and Simon Andrews and Peter Fraser and W. Reik},
title = {Global Reorganization of the Nuclear Landscape in Senescent Cells},
journal = {Cell Reports},
year = {2015},
volume = {10},
publisher = {Elsevier},
month = {feb},
url = {https://doi.org/10.1016%2Fj.celrep.2014.12.055},
number = {4},
pages = {471--483},
doi = {10.1016/j.celrep.2014.12.055}
}
MLA
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MLA Copy
Chandra, Tamir, et al. “Global Reorganization of the Nuclear Landscape in Senescent Cells.” Cell Reports, vol. 10, no. 4, Feb. 2015, pp. 471-483. https://doi.org/10.1016%2Fj.celrep.2014.12.055.
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